id summary reporter owner description type status priority milestone component version resolution keywords cc 274 Explain Interior, Boundary and Exterior mloskot kneufeld "For completeness, it would be good to give short description of these three fundamental terms in the PostGIS manual: The IBM Informix manual provides short but clear definitions of [http://publib.boulder.ibm.com/infocenter/idshelp/v10/index.jsp?topic=/com.ibm.spatial.doc/spat49.htm Interior, Boundary, and Exterior]: {{{ All geometries occupy a position in space defined by their interior, boundary, and exterior. * The exterior of a geometry is all space not occupied by the geometry. * The boundary of a geometry serves as the interface between its interior and exterior. * The interior is the space occupied by the geometry. }}} PostGIS manual could include similar." enhancement closed medium PostGIS 1.5.0 postgis fixed